Jetson Nano Dev Board .. D31

I am not clear on the purpose of the Shottkey diode, D31, between the nand gate and the buffer in the power sequencing logic of the Jetson Nano Dev board. Could someone enlighten me?

Ref: P3449_B01_Orcad_schematics.pdf

Cheers!

It is to fast discharge 1uf cap when POWER_EN is pulled low.

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